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TacomaGeneral discussion forum for the 2005 and later Toyota Tacoma.
This is a discussion thread titled "Time to chime in .. Tacoma "Lurching" Update", within the Tacoma forum, part of the Truck Forums category.
I have also experienced this problem. A/c on or off in an 06 automatic. When I first got the truck it happened at an intersection. It moved enough for me to check my rear mirror because I thought someone had bumped me from behind. I didn't know what had happened. Researching this site has help me understand I am not the only one with problems with their Tacoma.
Any one who descibes their displeasure with comfort before the real issues at hand is probably full of b.s. BUT.. there is a problem here and Toyota needs to address it. You should not have to think about how hard you are applying pressure to your brake everytime you are at a light.
I dont see what the problem is... the ac causes strain on the engine, thus needing it to increase its idle speed to compensate. You can mimic this issue, turn off your ac, put your foot on the brake, and tap the gas pedal... same thing. Learn to drive imo
I have also experienced this problem. A/c on or off in an 06 automatic. When I first got the truck it happened at an intersection. It moved enough for me to check my rear mirror because I thought someone had bumped me from behind. I didn't know what had happened. Researching this site has help me understand I am not the only one with problems with their Tacoma.
... there is a problem here and Toyota needs to address it. You should not have to think about how hard you are applying pressure to your brake everytime you are at a light.
Yes, Toyota should address the issue IMO. All they probably have to do is reprogram the ECU to not kick up the RPM so much or so fast when the A/C compressor kicks in. It is worse than any vehicle I've owned before, and doesn't really have to be this way if Toyota would change the control functionality.
The Lurch happens with the AC on or OFF.
My 07 does it just a tiny bit, like the truck 'hickups' after coming to a stop. With the AC OFF. No defrost etc, it's OFF.
The AC rpm kickup feels different and I can tell if the AC or the Lurch are doing the bump.
I should add, this has nothing to do with the a/c, its the 2nd to 1st downshift once you have been stopped for a few seconds.
Quote:
Originally Posted by fritzthecat
No, you learn to read.
The Lurch happens with the AC on or OFF.
My 07 does it just a tiny bit, like the truck 'hickups' after coming to a stop. With the AC OFF. No defrost etc, it's OFF.
The AC rpm kickup feels different and I can tell if the AC or the Lurch are doing the bump.
Fritz
Both symptoms are well known and corrected with the same actions.
Why would anyone have to or want to put their truck in neutral eveytime they stop. These are practically new trucks we're talking about. I think I have a right to bitch about it on a truck that is only 2 years old with less than 15k miles on it. It cost a hell of a lot of my hard working money. It has been in the local toyota dealer twice in the last two months with the check engine light on and this shutter problem in the trans. I did not even mention the lurching problem to them.. Last time it was gone for 4 days, this time I am still driving the corolla they gave me and I dropped it off Monday morning.
I am all for imports and have had only import cars and trucks for the last 14 years. I wish Honda had come out with a real truck. What the hell is a Ridgeline? Tacoma was my only choice for a truck I am just having some issues I did not expect. The comparable Nissan is just ugly all around..and I have had great nissan cars.
^ Like I said in a previous post. Maybe it's worse in other vehicles.
I've only driven one, which is the one I own (other than a quick test drive here and there). Only going by how mine is I completely don't understand why anyone would find it a problem.
I've gone through this sort of thing with the S2000. Everyone complained about blowing the engine way back in the first few years it was made(3rd to 2nd mis-shift because of the narrow gate). Blah blah blah Honda defect when it was pretty much a learn to drive solution. I could keep going on and on with the "problems" people found with the car but you probably don't want to hear it.
Maybe I'm a lucky one and it's mild on my truck, or I'm just not picky
This is something I noticed on almost every single Toyota I've had my 96 RAV4, 06 RAV4 and my 08 Tacoma, but it wasn't a big deal... seems useless to pursue, I think he's just trying to get something out of it .... If he wants problems he shoulda bought a Chevy my 01 Burb has a lot more problems than lurching forward.
Not full of it at all! And as the owner and driver of many types of trucks over the years, I do not claim to know how they work mechanically, but I do understand how they should NOT work for safety reasons. I drive a Wrangler, and 2500 Diesel, and at times a Ford 250. They all work different, but none do THIS! The all work properly.
Shortly after purchasing a used 2006 Toyota Tacoma, as I was preparing to leave a parking lot, with my foot firmly and undeniably on the brake, the truck revved, took a lurch forward and squarely hit a tree. Thank goodness not a person! I repaired the truck, thought it was an "accident" until I started researching.
The truck continues to do this, and I have my first appointment with a mechanic who seems to understand that there IS an issue, even if Toyota does not recognize it yet.
If there is anyone who has had their vehicle "fixed" I would be thrilled to hear what methods and ideas anyone has.
TerryB
Not full of it at all! And as the owner and driver of many types of trucks over the years, I do not claim to know how they work mechanically, but I do understand how they should NOT work for safety reasons. I drive a Wrangler, and 2500 Diesel, and at times a Ford 250. They all work different, but none do THIS! The all work properly.
Shortly after purchasing a used 2006 Toyota Tacoma, as I was preparing to leave a parking lot, with my foot firmly and undeniably on the brake, the truck revved, took a lurch forward and squarely hit a tree. Thank goodness not a person! I repaired the truck, thought it was an "accident" until I started researching.
The truck continues to do this, and I have my first appointment with a mechanic who seems to understand that there IS an issue, even if Toyota does not recognize it yet.
If there is anyone who has had their vehicle "fixed" I would be thrilled to hear what methods and ideas anyone has.
TerryB
Now you're the first one who's had a repeat problem. Maybe it will finally be discovered what the problem is.
BTW, don't confuse what you're reading in these "Lurching" threads with the real lurching problem. The threads have been hijacked with a different topic. The Lurching is when the truck, all on its own, goes full throttle and won't stop until you crash or turn the engine off. Totally different problem than the "lurching" people are complaining about while at a stop where it feels like the vacuum in the brakes decreases letting the truck move forward a little if your foot isn't pushing hard enough on the brake (this situation is normal for Toyotas but just exaggerated a little in the Taco).
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I agree that there seems to be 2 different problems with the Tacoma. The lurching that is associated with actual accelleration. This one seems to be totally out of control. And the type that seems to bring the truck lurching out of a stop with the drivers foot clearly on the brake. I believe my accident was the first type. Though of course until reading of the problems, I just thought I was somehow an idiot who made some strange and unknown error. I have had the vehicle lurch hard when parking more than once, though controllable. Not the crash or disengaging of the engine type. And I jump out of a stop at nearly any stop so I know to keep my foot more firmly than normal on the brake. Knowing this makes it controllable, though I do not seem to feel it is or should be normal. And I do not feel it to be safe.
That being said, some ideas I've heard are there is a throttle sensor that gets gunked up. Forgive my nontechnicallity... I am no mechanic! It can be replaced (at intervals it sounds like) and can help, what I understood to be the lurching at the stop signs. Also can make the brake feel stiff and sticky and give a bit at the stop and can contribute to the higher and inconsistent idle. So that is where my mechanic will start. It does not sound like this shows up on computer diagnostics, so it is a trial and error. I mainly chose a mechanic who sounded like they've at least heard or and experience some of the issues. I avoided the place that told me that I had my floormat on my gas pedal.
I just do not want to put my soon-to-be new driver (my 16 year old) behind the wheel of an unsafe vehicle.
I've owned a Celica, 4runner, and Landcruiser in the past. I have no "issues" with Toyota. I've always been very happy with them. My concern is safety and making sure that things get fixed....
Terry
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Re: Time to chime in .. Tacoma "Lurching" Update
my 01 Burb has a lot more problems than lurching forward.
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